linux-kernel - Re: [PATCH 7/11] i386: Kallsyms generate relocatable symbols

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Message-ID: <20061106154857.003dc9d9@cad-250-152.norway.atmel.com>
Date:	Mon, 6 Nov 2006 15:48:57 +0100
From:	Haavard Skinnemoen <hskinnemoen@...el.com>
To:	vgoyal@...ibm.com
Cc:	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Reloc Kernel List <fastboot@...ts.osdl.org>,
	ebiederm@...ssion.com, akpm@...l.org, ak@...e.de, hpa@...or.com,
	magnus.damm@...il.com, lwang@...hat.com, dzickus@...hat.com,
	maneesh@...ibm.com
Subject: Re: [PATCH 7/11] i386: Kallsyms generate relocatable symbols

On Mon, 23 Oct 2006 15:37:48 -0400
Vivek Goyal <vgoyal@...ibm.com> wrote:

> Add the _text symbol definitions to the architectures which don't
> define it otherwise linker will fail.

I get lots of this when building latest -mm for avr32:

.tmp_kallsyms2.S:643: Warning: right operand is a bignum; integer 0
assumed

Reverting this patch makes the warnings go away. I think it's
because on avr32, .init is the first section, not .text, so many of the
offsets become negative and kallsyms doesn't seem to handle this very
well. Here's a few lines from .tmp_kallsyms2.S:

kallsyms_addresses:
        PTR     _text + 0xffffffffffff4000
        PTR     _text + 0xffffffffffff4000

Any idea how to fix this? Could we introduce a new symbol that always
marks the start of the image perhaps?

Haavard
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